Home / 199,291,212.10-298,936,818.15-181,115,929.90

Finding the Fourth Proportional to 199,291,212.10, 298,936,818.15 and 181,115,929.90

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Solution

The fourth proportional to 199,291,212.10, 298,936,818.15 and 181,115,929.90 is: 271,673,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,212.10 : 298,936,818.15 = 181,115,929.90 : x
  2. Step 2: Convert to fraction form
    199,291,212.10/298,936,818.15 = 181,115,929.90/x
  3. Step 3: Cross multiply
    199,291,212.10x = 298,936,818.15 × 181,115,929.90
  4. Step 4: Simplify right side
    199,291,212.10x = 54,142,219,800,584,448
  5. Step 5: Solve for x
    x = 54,142,219,800,584,448/199,291,212.10
  6. Step 6: Final answer
    x = 271,673,894.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.